const input =
  ".10-12.1-4.2-1.10-12.1-4.2-2.1-10.12-1.4-2.10-1.10-12.1-4.2-18.1-10.12-1.4-4.6-1.10-12.1-4.4-16.1-10.12-1.4-6.6-1.10-12.1-4.6-14.1-10.12-1.4-8.4-1.10-12.1-4.8-14.1-10.12-1.4-10.1-10.12-1.4-10.2-1.10-12.1-4.10-10.1-10.12-1.4-10.18-1.10-12.1-4.12-6.1-10.12-1.4-12.14-1.10-12.1-4.14-4.1-10.12-1.4-14.12-1.10-12.1-4.14-20.1-10.12-1.4-16.8-1.10-12.1-4.16-16.1-10.12-1.4-18.1-10.12-1.6-1.10-12.1-6.6-1.10-12.1-6.16-1.10-12.1-8.4-1.10-12.1-8.14-1.10-12.1-10.2-1.10-12.1-10.10-1.10-12.1-10.20-1.10-12.1-12.8-1.10-12.1-12.16-1.10-12.1-14.1-10.12-1.14-6.1-10.12-1.14-14.1-10.12-1.16-2.1-10.12-1.16-10.1-10.12-1.16-18.1-10.12-1.18-6.1-10.12-1.18-14.1-10.12-1.20-4.1-10.12-1.20-12.1-10.14-1.2-1.10-14.1-4.2-6.1-10.14-1.4-2.14-1.10-14.1-4.4-2.1-10.14-1.4-4.12-1.10-14.1-4.6-1.10-14.1-4.6-2.1-10.14-1.4-6.10-1.10-14.1-4.6-20.1-10.14-1.4-8.10-1.10-14.1-4.8-18.1-10.14-1.4-10.6-1.10-14.1-4.10-14.1-10.14-1.4-12.2-1.10-14.1-4.12-10.1-10.14-1.4-12.18-1.10-14.1-4.14-1.10-14.1-4.14-8.1-10.14-1.4-14.16-1.10-14.1-4.16-4.1-10.14-1.4-16.12-1.10-14.1-4.16-20.1-10.14-1.6-2.1-10.14-1.6-12.1-10.14-1.6-20.1-10.14-1.8-10.1-10.14-1.8-18.1-10.14-1.10-1.10-14.1-10.6-1.10-14.1-10.16-1.10-14.1-12.4-1.10-14.1-12.12-1.10-14.1-12.20-1.10-14.1-14.10-1.10-14.1-14.18-1.10-14.1-16.6-1.10-14.1-16.14-1.10-14.1-18.1-10.14-1.18-2.1-10.14-1.18-10.1-10.14-1.18-18.1-10.14-1.20-8.1-10.14-1.20-16.1-10.18-1.4-8.8-1.10-18.1-4.14-2.1-10.20-1.4-2.4-1.10-20.1-4.2-16.1-10.20-1.4-4.8-1.10-20.1-4.4-14.1-10.20-1.4-4.18-1.10-20.1-4.6-4.1-10.20-1.4-6.16-1.10-20.1-4.8-1.10-20.1-4.8-2.1-10.20-1.4-8.6-1.10-20.1-4.8-12.1-10.20-1.4-10.8-1.10-20.1-4.10-20.1-10.20-1.4-12.16-1.10-20.1-4.14-6.1-10.20-1.4-14.18-1.10-20.1-4.16-6.1-10.20-1.4-16.18-1.10-20.1-4.18-2.1-10.20-1.6-4.1-10.20-1.6-8.1-10.20-1.6-14.1-10.20-1.8-6.1-10.20-1.8-12.1-10.20-1.8-20.1-10.20-1.10-12.1-10.20-1.10-18.1-10.20-1.12-10.1-10.20-1.14-2.1-10.20-1.14-8.1-10.20-1.14-16.1-10.20-1.16-1.10-20.1-16.12-1.10-20.1-16.20-1.10-20.1-18.16-1.10-20.1-18.20-1.10-20.1-20.6-1.10-20.1-20.18-1.12-2.1-4.10-16.1-12.2-1.4-12.20-1.12-2.1-4.16-1.12-2.1-6.10-1.12-2.1-8.1-12.2-1.8-2.1-12.2-1.8-8.1-12.2-1.8-16.1-12.2-1.10-8.1-12.2-1.12-18.1-12.2-1.20-20.1-12.6-1.4-1.12-6.1-4.2-8.1-12.6-1.4-2.20-1.12-6.1-4.4-4.1-12.6-1.4-6.8-1.12-6.1-4.6-12.1-12.6-1.4-8.16-1.12-6.1-4.10-12.1-12.6-1.4-12.1-12.6-1.4-12.4-1.12-6.1-4.16-2.1-12.6-1.4-18.4-1.12-6.1-4.20-1.12-6.1-6.18-1.12-6.1-10.4-1.12-6.1-12.1-12.6-1.12-2.1-12.6-1.12-6.1-12.6-1.12-14.1-12.6-1.14-20.1-12.6-1.16-4.1-12.6-1.16-8.1-12.6-1.18-4.1-12.6-1.18-8.1-12.6-1.20-1.12-6.1-20.10-1.12-6.1-20.14-1.12-10.1-4.4-1.12-10.1-4.4-10.1-12.10-1.4-8.20-1.12-10.1-4.10-4.1-12.10-1.4-12.8-1.12-10.1-4.12-12.1-12.10-1.4-14.14-1.12-10.1-4.16-14.1-12.10-1.14-12.1-12.10-1.18-12.1-12.10-1.20-2.1-12.14-1.4-2.12-1.12-14.1-4.4-20.1-12.14-1.4-6.18-1.12-14.1-4.14-10.1-12.14-1.4-16.10-1.12-14.1-10.14-1.12-14.1-14.4-1.12-14.1-16.16";


const decode = (value: string) =>
  String.fromCharCode(
    ...value
      .replace(/(?<token>[\.\-])(?<value>\d*)/g, (_, token, value) => {
        const count = +value;
        return token === "-"
          ? new Array(count).fill("0").join("")
          : new Array(count).fill("1").join("");
      })
      .split("")
      .reduce<Array<Array<string>>>((acc, cur) => {
        if (acc.length === 0 || acc[acc.length - 1][0] !== cur) {
          acc.push([cur]);
        } else {
          acc[acc.length - 1].push(cur);
        }
        return acc;
      }, [])
      .map((value) => {
        if (value.length === 1) {
          return ".";
        }
        return String((value.length - 2) / 2);
      })
      .join("")
      .split(".")
      .map(Number)
      .reduce<Array<[number, number]>>((acc, cur, index) => {
        if (index % 2 === 0) {
          acc.push([cur] as unknown as [number, number]);
        } else {
          acc[acc.length - 1].push(cur);
        }
        return acc;
      }, [])
      .sort((a, b) => a[1] - b[1])
      .map((value) => value[0])
  );

console.log(decode(decode(input))); //i love puzzles